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...e male births. Development of the genital tubercle, the precursor of the {{penis}} and clitoris, is regulated by the urethral plate epithelium, an endoderma ...are: (1) The corpus cavernosum in males and females extends into the glans penis and clitoris, respectively, during the ambisexual stage (9 weeks) and thus

Hypospadias are the most common penis abnormality (1 in 300) and result from a failure of male urogenital folds t Ultrasonography in rendering mode, at {{GA}} 33 weeks, with short penis and with evidence of testicles inside a bifid scrotum.

...y male. The ostium urogenitale is situated about midway on the body of the penis and persists only as a narrow cleft in front of the closed inner genital fo

| G6: Penile urethra, emerging inferiorly to the glans penis. Scrotal swellings (appear before testis descends). | G7: Penile urethra, emerging inferiorly to the glans penis. Scrotal swellings (appear before testis descends).

...urogenital sinus and the rectum to the perinaeum, i1.e., the halves of the penis are united by the ingrowth of what would be the urethral floor whilst the c ...in development. He did not, however, suggest any explanation as to why the penis or clitoris is situated caudal to the site of rupture.

Penis of a species of Testudo Within the cloaca and exposed by ...y slight eversion of the cloacal margins reveals the free extremity of the penis in the male. In the female the Whole structure is considerably reduced.

| G6: Penile urethra, emerging inferiorly to the glans penis. Scrotal swellings (appear before testis descends). | G7: Penile urethra, emerging inferiorly to the glans penis. Scrotal swellings (appear before testis descends).

..._Manual_of_Human_Embryology_19-4|Sexual Differentiation Development of the Penis and Scrotum]]

IV. The penis

...rY}} chromosome | {{testis}} | {{spermatozoa}} | {{meiosis}} | {{AMH}} | {{penis}} | {{prostate}} | {{seminal vesicle}} | {{genital abnormalities}} | {{hypo {{Penis}}

...a sheath, a scabbard (L. ''gladius '' = sword was a common Roman term for penis); cf. evagination, invagination.

...a}} | {{testis}} | {{epididymis}} | {{ductus deferens}} | {{prostate}} | {{penis}} | [[:Category:Male|Category:Male]]

==Evolution of the Penis== ...e cloacal passage is seen in oviparous mammals ; in viviparous mammals the penis is evolved as an intromittent organ, and the urogenital passage is separate

...time, the scrotal swellings have migrated caudally towards the root of the penis and becoming approximated to each other, form the scrotum. The prepuce deve ...ectodermal part formed by canalization of an epithelial cord in the glans penis.

'''penis '''L. = a tail. ...= prepuce or covering of glans penis (? from G. ''pro '' + ''posthe '' = penis; or ? L. ''puteo '' = I stink, from smell of smegma, q.v.; thus uncleanlin

...a}} | {{testis}} | {{epididymis}} | {{ductus deferens}} | {{prostate}} | {{penis}} | [[:Category:Male|Category:Male]] ...side of the penis. In the genital tubercle, the embryonic precursor of the penis and clitoris, Fgfr2 is expressed in two epithelial populations: the endoder

...emple; pre-Vesalian use: ''thalami cordis '' = heart chambers; ''thalami penis '' = cavernous spaces; nuclear mass in lateral wall of 3rd ventricle.

# In males, the genital tubercle will eventually form the penis and the genital swellings migrate caudally and a fusion event in the midlin # As the genital tubercle elongates to form the penis, a groove forms on the ventral surface known as the urethral groove. The ur

...lmost a continuation of the spinal column. As can be seen from Fig. 1, the penis was turned a little to the right. The left hand was singularly foot-like in

...tum ; ug. urinogenital sinus ; cp. elevation which becomes the clitoris or penis ; Is. ridge from which the labia majora or scrotum are developed. ...ng of the urinogenital cloaca, and the prominence itself gives rise to the penis, along which the common urinogenital passage is continued. The two genital

...child was circumcised. When Gertler saw the patient, the umbilicus and the penis presented the characteristic diphtheritic deposits. Both lesions trouble had started first in the umbilicus or on the penis. The illness had lasted

...at it was the prepuce that eventually grew over a previously exposed glans penis, a theory that was more widely supported <ref name=PMID17104576><pubmed>171 ...he deformities; some procedures involve grafting in the lengthening of the penis, plaque removal and prosthesis implantation in erectile dysfunction <ref><p

...ly outwards through the ascending ramus of the pubis and corpus cavernosum penis, the obturator membrane, and the sacro-sciatic ligament.

...nis; L, labia majora; N, labia minora (nymphae); O, urogenital orifice; P, penis; Pr, prepuce; Proc, proctodaeum; R, raphe; S, genital swelling; Sc, scrotum ...fusion in the urogenital sinus region and along the caudal surface of the penis is clearly marked by the persistence of a ridge-like thickening known as th

.... G. ''helix '' = coil, snail; e.g, helicine arteries of ovarian medulla, penis, etc.

...e intestine and urogenital sinus ; cp, elevation which becomes clitoris or penis ; Is, ridge from which the labia majora or scrotum are formed. ...or clitoris ; to the right of these letters in A, the umbilical cord ; p, penis ; c, clitoris ; cl, cloaca ; \({f, urogenital opening ; «, anus ; I s, cut

The penis was well developed and normal to naked eye inspection, the prostatic swelli

...orming the urethral plate, while the part corresponding to the rest of the penis remains hollow, and by destruction of the urogenital membrane breaks throug ...ished by {{Professor R. Meyer}}, Berlin.) The phallus has become the glans penis, the scrotal swellings are fully developed and the unpaired scrotal area is

Hypertrophy of the penis and testes, with growth of pubic hair and precocious sexual instinct, have

...not easily reflected from it and was somewhat twisted round the end of the penis, though not to such an extent as to cause any obstruction to the outflow of

* except plans penis and labia minora

...e heart and of the blood-vessels near the urethra (causing erection of the penis), to tighten the ciliary muscle and the sphincter of the iris, to slacken t

...sides and base of the gland; they receive in front the dorsal vein of the penis, and end in the hypogastric veins. The nerves are derived from the pelvic p ...h the {{prostate}} gland at the beginning of the internal portion of the {{penis}}. Prior to ejaculation these small paired tubuloalveolar glands produce a

...inent tubercle — the genital tubercle, the apex of which becomes the glans penis or glans clitoris, according to sex. It is bounded by lateral folds, the ge ...he closure of the uro-genital lips to form the floor of the urethra in the penis may be arrested at any stage, giving rise to the condition of hypospadias,

...infra-umbilical part of the linea alba, symphysis pubis, the septum of the penis, and of the scrotum and perineal raphe. The ventral line is continued forwa

The genital eminence becomes the penis or the clitoris^ penis or of the glans clitoridis, as the case may be. Further

...ymis; HM, hydatid of Morgagni; K, kidney; MD, Mullerian duct; O, ovary; P, penis; Po, paroophron; Pr, prostate gland; R, rectum; T, testis; U, urethra; UM, ...he same time brought closer together, so as to lie between the base of the penis and the perineal body and, eventually, they form the scrotum. The mesenchym

...e male births. Development of the genital tubercle, the precursor of the {{penis}} and clitoris, is regulated by the urethral plate epithelium, an endoderma ...are: (1) The corpus cavernosum in males and females extends into the glans penis and clitoris, respectively, during the ambisexual stage (9 weeks) and thus

...kidney ; oe, oesophagus ; p, pancreas ; pi, pleural coelomic cavity ; pn, penis ; pr, pericardial coelomic cavity ; r, rectum ; sc, spinal cord ; stn, ster

...fore-skin remain connected by the frenulum prepucu. The coropora cavernosa penis arise as paired mesenchymal columns. The corpus cavernosuni urethra: result Penis.

...and scrotum are located in the perineum, whereas in the transposition the penis lies above the scrotum."

..._Manual_of_Human_Embryology_19-4|Sexual Differentiation Development of the Penis and Scrotum]]

...he section passes in front of the prostate, dividing the corpora cavernosa penis near their origins, and the urethra at the bulb. The corpus cavernosum, art

...ms are introduced into the cloaca of the female by the copulatory organ or penis of the male. In this way, the amniotes are independent of water for fertili

...tch of the digestive tract and longitudinal and transverse sections of the penis. (QIII, 3v.)

...end to the subcutaneous tissues in the groin, the scrotum, the root of the penis, and on the pubis. ...septum which extends between the median raphe and the under surface of the penis, as far as its root, and divides the scrotum into two cavities for the test

** Urethra and Penis.

...in some of the lower anima1s—the reptilia and crocodilia for instance—the penis was either double or bifid; and it seemed to him as very probable that it w

...s migrate from their primitive lateral position to a new one caudal to the penis, forming the scrotum. ...ngs shift slightly, so that their greatest tumidity now lies caudal to the penis instead of lateral to it, as heretofore.

...causes the splitting of both male and female genitalia (specifically, the penis and clitoris respectively), and the anus is occasionally sealed.

...side of the penis. In the genital tubercle, the embryonic precursor of the penis and clitoris, Fgfr2 is expressed in two epithelial populations: the endoder

* except plans penis and labia minora | &nbsp;&nbsp;Few darker hairs along labia or at base of penis

* except plans penis and labia minora | &nbsp;&nbsp;Few darker hairs along labia or at base of penis

...enth week, on both sides of the urogenital opening, near the anlage of the penis. Toldt recorded that both Cowper’s and Bartholin’s glands originated as

...form of a penis in the male or a vulva in the female. At the sides of the penis in adult males are the scrotal sacs which contain the testes. This ventral ...he urethra, which runs through and opens to the exterior at the end of the penis.

Occasionally the umbilical tumor resembled a glans penis (Fig. 212). Meyer's hernia existed, it was prominent and in contour resembled a glans penis.

organs arise in the male from the scrotum and penis, in the female from the labia pudenda and clitoris. Those of the penis and clitoris

...only a portion of the bladder wall is absent. The pubes is united and the penis is normal. These anomalies are commonly associated with others. I have seen

...urethra, into which it opens in the region of the ventral flexure of the {{penis}}.

** Urethra and Penis

...ses over the side of the bladder and is continued onward to the tip of the penis, forming the spermatic canal of that organ, the nerves being regarded as ho

...e anal side, grows down into the end of the glans, which becomes the glans penis. By the disappearance of the central cells of the epithelial downgrowth an ...e development of the male external genitals (after Toumeux is Heisler). I. Penis; 2, glans; 3, urogenital groove; 4, genital swellings corresponding to latn

12. Penis. 18. Scrotum. ...ective tissue. The muscle now lies between the testis iind the base of the penis and is developed in that position into the creinaster. At last the processu

...nal genitalia of an embryo of 3.5 months. The phallus has become the glans penis, the scrotal swellings are fully developed and the unpaired scrotal area is

...al calculi. ‘J. of Urology, vol. 37, pp. 84-89. Surgery of the urethra and penis. Nelson Loose-Leaf Surgery, vol. 6. New York, pp. 1-98 B.

*Small penis *Small penis and testes

...ficial epigastric veins uniting to form the single superficial v. dorsalis penis, a rather unusual course for the single vein. ...tch of the digestive tract and longitudinal and transverse sections of the penis. (QIII, 3v.)

...al calculi. ‘J. of Urology, vol. 37, pp. 84-89. Surgery of the urethra and penis. Nelson Loose-Leaf Surgery, vol. 6. New York, pp. 1-98 B.

to resemble a penis in size. Estrogens are ...tified, seems to be anatomically localized. In particular, the undeveloped penis or clitoris responds to initial

...rain, eye, endolymphatic labyrinth, lungs, mesonephros, kidney, testis and penis are outlined in the figures.

...n mammals, the intestinal outlet is separate, leaving the genital outlets (penis and vagina respectively) associated only with those of the urinary system.

...embrane. R. — Rectum. Ug. — Urogenital sinus. Ur. — Urorectal septum. P. — Penis.

...in the erect position the mid-point is at the symphysis pubis (root of the penis). In the sitting posture the distance from the seat to the vertex (sitting

...s consists of cavernous tissue, homologous to the corpora cavernosa of the penis ; the corpus spongiosum is not present in the clitoris. ...-follicles. The corpus spongiosum is enlarged anteriorly to form the glans penis.

...only the proximal end, the other portion developing in connection with the penis (p. 398). The urogenital sinus is narrow and tubular at its junction with t ...and fuses with its fellow of the opposite side, thus enclosing within the penis a canal the penile portion of the urethra. The groove is primarily continuo

* Q55.5 Congenital absence and aplasia of penis ...nital malformation of penis NOS Curvature of penis (lateral) Hypoplasia of penis

...to the autonomic nervous system and/or reduced circulation of blood to the penis. Hormonal impairment of sexual function is less common. Women, in contrast, ...nal valve at the bladder entrance closes, and semen is ejaculated from the penis at orgasm. For example in the USA, ephedrine sulfate is the most common med

2. Male urethra. This will be studied in connection with the penis (p. 65). G. Penis and Male Urethra.

| &nbsp;&nbsp;Few darker hairs along labia or at base of penis

Helweg's patient, a boy four months old, had a penis-like tumor at the umbilicus. months old, had a penis-like tumor at the umbilicus. This projection was not

...ive male births. Development of the genital tubercle, the precursor of the penis and clitoris, is regulated by the urethral plate epithelium, an endodermal

...the prostate on its deep or pelvic surface and to the bulb and root of the penis on its lower or perineal aspect (Delbet, EUiot Smith). The inferior transve ...infra-umbilical part of the linea alba, symphysis pubis, the septum of the penis, and of the scrotum and perineal raphe. The ventral line is continued forwa

...ntinuous. On the margins of the lips, on the labia minora'aridon the glans penis and prepuce, glands similar in character to the sebaceous glands arise dire

...s cavernosum''' '''(corpora cavernosa)''' L. " + ''caverna '' = a hollow; penis has two similar erectile structures, and a third corpus spongiosum, q.v.

From a mesial skin-fold the genital eminence develops, rise to clitoris and penis. From two lateral folds below it, we get the labia with the genital furrow Penis. Scrotum.

...is very complex, and is particularly well marked below the surface in the penis.

...d with an imperforate condition of the rectum. There was also an imperfect penis and scrotum, and no sexual glands.

Parts of the body, such as a digit or the penis may be duplicated. In such cases we suppose that the group of cells which g

...stines; and in the pubic region there is a structure resembling somewhat a penis. The lower extremities are well developed. The length of the monster from t ...ogenitalis (fig. 15), which projects forwards and beneath the pubis like a penis. This latter is 1-5 cm. in length and 11 mm. in thickness and its external

* most common penis abnormality (1 in 300) from a failure of male urogenital folds to fuse in v

...the external genitalia in the adult develop. The GT differentiates into a penis in males and a clitoris in females. The process of proximodistal elongation ...al cells, the distal urethral epithelium (DUE) that extends into the glans penis. The solid urethral plate canalizes and thus extends the urethral groove d

...is of the male opossum; diagram of female reproductive tract. (A) Extended penis. (After McCrady, Am. Anat. Memoirs, 16, The Wistar Institute of Anatomy and

...ngitudinal smooth muscle fibers sometimes- occur (splenic artery, dorsalis penis, ovarian arteries). ...iary glands (seminal vesicles, prostate and bulbo-urethral glands) and the penis.

.... This superstition rests upon two observed facts: first, that the opossum penis is dichotomous and, second, that the female licks out the pouch immediately

...cl.s.) with its bilobed margin. l.c.c. left corpus cavemosum; n.c. erector penis. (Sl. XV—5—2.) x 33§. ...ptum (cl.s.) with its bulbous margin. c.c. corpus cavernosum; n.c. erector penis. (S1. XVI—2-8.) x 33§.

...asculiniza— tion. In four cases the clitoris was definitely enlarged into a penis-like organ about te11 times the size (length) of the normal clitoris (compa ...d that it extended beyond the dermal sac, but it did not completely form a penis. In most of the otl1er cases the appearance was that of the young female ex

...general the same structure. In certain arteries (renal, splenic, dorsalis penis) it shows in its inner layers scattered longitudinal muscle-cells, which, h ...erectile tissue of certain organs is due to the presence of such sinuses (penis, nasal mucous membrane, etc.). If vessels of larger caliber possess numerou

case it looked like a penis and was 1}4, inches long. In Roth's case it formed a who had at the umbilicus a tumor resembling a penis. When the child cried, this

...or and anterior surfaces of the scrotum, and along the unde surface of the penis, indicating the bilateral origin of these parts The position of the deeply- ...ineum. On the left side the bulbo-spongiosus has been removed and the crus penis cut.

branches to these parts, and also to the other muscles of the penis, and ...rior, s. superior, s. profundus , s. pudendus) is called the artery of the penis (A.